Information signal recording and/or reproducing apparatus

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head

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Details

360 102, 360 75, G11B 2102

Patent

active

046283781

ABSTRACT:
The disclosed information signal recording and/or reproducing apparatus records or reproduces an information signal by shifting two electric-to-mechanical conversion elements which respectively have heads mounted thereon. Each electric-to-mechanical conversion element has a residual displacement characteristic. The shift direction of one conversion element is arranged to be the same as that of the other immediately before switchover from a first mode to a second mode. In the first mode, the difference between voltages impressed on the two elements is relatively large, and, in the second mode, the difference between voltages impressed on the two elements is relatively small.

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patent: 4356522 (1982-10-01), Takano et al.
patent: 4366515 (1982-12-01), Takano et al.
patent: 4395741 (1983-07-01), Kobayashi et al.
patent: 4410918 (1983-10-01), Watanabe
patent: 4451859 (1984-05-01), Noel
patent: 4513334 (1985-04-01), Otsuka

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